#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

int main(){
int c = 0;
int count = 0;
int riadok = 0;
while(c != EOF){
c = getchar();
if(c == EOF){
break;
}
if(c == '\n'){
riadok++;
}
if((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')){
	if(islower(c)){
c = toupper(c);
count++;
}
	if(isupper(c) && count == 0){
c = tolower(c);
}
//riadok++;
}
putchar(c);
count = 0;
}
printf("\nPočet riadkov: %d\n", riadok);
return 0;
}